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1999 V70T5M56 manual transmission drain DIY , Mobil 1 SYN oil review

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
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DePonce
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Year and Model: S70 1999
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by DePonce »

abscate wrote:I performed a manual transmission oil change replacing the 16 year old oil with Mobil one synthetic
Why Mobil 1 Synthetic and not Volvo recommendation? How does Mobil 1 compare to OEM stuff?

Thanks!
Current: 1999 S70/manual transmission - from new, working on 115K miles
Former: 1985 740 GLE/manual transmission - from new to 250 miles!
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by Ozark Lee »

You actually need to be a bit careful on the lube. The OEM lube is a GL-4 and most synthetic lubes on the market are GL-5. I used Royal Purple synthetic that said it was GL-4 "compatible" but it is actually GL-5. The GL-5 is actually too slick, the synchros need a bit of drag to work correctly and the shifting will be a bit "notchy" with GL-5, especially when it is cold.

The Volvo lube is stupid expensive but so are the other synthetic gear lubes. The next time I have some time to do maintenance on my '94 I am going to go a head and replace the lube with the OEM stuff.

...Lee
'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe
DePonce
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Year and Model: S70 1999
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by DePonce »

Lee, thanks!
Current: 1999 S70/manual transmission - from new, working on 115K miles
Former: 1985 740 GLE/manual transmission - from new to 250 miles!
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abscate
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by abscate »

I'll report back on the shifting performance in today's frigid -5F temperatures with the Mobil synthetic.
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E Showell
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by E Showell »

When my dead engine was replaced, I asked my mechanic to drain and replace the transmission oil. I used the stupid expensive Volvo stuff. Mechanic said if it were his car, he wouldn't have replaced the oil since it looked pristine on draining. My original clutch lasted to 229,500 (I had it replaced while the engine was out) and one side of the friction material had come loose so it was slipping ever so slightly on one particular hill that was part of my daily commute, but no teenage drivers or boat launches. Still, the clutch was not worn down to the rivets and my mechanic said it still had some life in it -- I threatened his if he put it back in.
'98 V70 NA FWD 5 spd, silver sand metallic (sold)
'99 V70 NA FWD Auto, dark blue (actively for sale)
'99 S70 NA FWD Auto, black (sold and resurrected -- Don't cry for me Argentina . . . )
'07 S80 3.2 FWD Auto, Barents Blue Metallic
'06 V70 R AWD Auto, Sonic Blue Metallic
'04 XC70 Ruby Red Metallic
'95 855 auto (sold)
'86 245 manual (sold)
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abscate
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Re: 1999 V70 T5 manual trans drain fill plug pictures

Post by abscate »

abscate wrote:I'll report back on the shifting performance in today's frigid -5F temperatures with the Mobil synthetic.
Im going to report this as no noticeable difference in shifting between -5F and 50F since Ive changed this oil, using Mobil 1 synthetic.
Empty Nester
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abscate
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Re: 1999 V70 T5 manual trans drain DIY , Mobil 1 SYN oil rev

Post by abscate »

Did the 2005 P2 car today, same report
15/16 inch wrench fit both bolts (couldn't find my 24mm)

a 5/8 inch OD hose is too fat to slip into the fill hole, it needs to be 1/2 inch OD or less

I heated the 1/2 inch Tygon tube I had, and forced my funnel end onto the soft end to make a nice fill method. At 70F, it took about 15 minutes to drain 2 liters of oil into the transmission.

I ran the hose down from the engine compartment so that I didn't have to sit there looking stupid holding a funnel in my hand. A pizza box from dinner the night before is great for catching any oil drips from oil/gearbox changes.
Empty Nester
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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RantingRobbo
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Re: 1999 V70 T5 manual trans drain DIY , Mobil 1 SYN oil review

Post by RantingRobbo »

Hi, Just read all these posts - thanks. Now then, has anyone ever taken the plastic protector from inside the wing to access the plugs please?? If so, is it held with Cross Head / Slotted / Allen screws OR simply push clipped on? There again, I might just cut some of the plastic away to get at the filler / drain plugs haha!!
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abscate
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Re: 1999 V70 T5 manual trans drain DIY , Mobil 1 SYN oil review

Post by abscate »

Bump to answer question and note capacity for Clemens

2 liters into the M56 needed

The plastic plates are held on my M6 screws, 10 mm head size on both my volvos

24 mm or 15/16 wrench size
Empty Nester
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abscate
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Re: 1999 V70T5M56 manual transmission drain DIY , Mobil 1 SYN oil review

Post by abscate »

Npw have 90k miles on this fluid and transmission (240k) with nothing of note to report - all good.
Empty Nester
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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